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Experimental investigation of deterministic and stochastic frequency noises of a rapidly frequency chirped laser

  • G. Gorju
  • , V. Crozatier
  • , V. Lavielle
  • , I. Lorgeré
  • , J. L. Le Gouët
  • , F. Bretenaker
  • Centre national de la recherche scientifique

Research output: Contribution to journalArticlepeer-review

Abstract

The different types of errors affecting the spectral purity of a rapidly chirped continuous wave laser are experimentally studied using an unbalanced interferometer. The response of the interferometer to the deterministic (periodic and aperiodic) and stochastic quantum and technical laser frequency noises is theoretically analysed and experimentally investigated with an external cavity diode laser operating at 793 nm and providing chirps in excess of 10 GHz on the ms timescale. The system is shown to be able to measure the laser frequency to better than 1 MHz during the chirp. It provides an error signal that can be used to servo-control the laser frequency in real time while it is chirped.

Original languageEnglish
Pages (from-to)175-183
Number of pages9
JournalEPJ Applied Physics
Volume30
Issue number3
DOIs
Publication statusPublished - 1 Jun 2005

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